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MEDIUM URGENCY

Carrier Code 32 - Pressure Switch Closed Too Long

Code 32 (3 short + 2 long flashes)

Pressure switch closed too long after inducer turned off.

Brand: Carrier (Also covers Bryant, Payne)  |  Equipment: Gas Furnace

What This Code Means

Code 32 on Carrier (Bryant, Payne) means the pressure switch did not open within the expected time after the inducer motor shut off. The switch should open within 30-60 seconds of inducer stopping.

Likely Causes (Ranked)

Most common

Stuck-closed pressure switch

What: Switch contacts welded or jammed in closed position.

How to check: Test continuity at switch 60 seconds after inducer stops.

Fix: Replace switch.

Shop parts
Common

Slow-spinning inducer

What: Inducer wheel coasts too long after shutoff, keeping draft up.

How to check: Listen for inducer slowdown at end of cycle.

Fix: Replace inducer.

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Less common

Bad control board

What: Board misreads switch state.

How to check: Test switch independently.

Fix: Replace board.

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Diagnostic Steps

  1. Cut power
  2. Test pressure switch continuity (open/closed cycle)
  3. Listen for inducer coast time
  4. Replace switch if stuck

Frequently Asked Questions

Difference between Carrier code 23 and 32?
23 = pressure switch fault during cycle. 32 = pressure switch stayed closed too long after cycle ended.
Same on Bryant?
Yes.
DIY?
Pressure switch replacement is straightforward.

Related Carrier Codes

Carrier Error Code 23Carrier Error Code 31

Related Symptoms

Furnace Not Igniting

Need More Help?

Try our interactive symptom diagnostic tool or browse Carrier parts.

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